| Balaenidae () | 
	
		
	
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| pelagic; marine | 
	
	
	
		| Northern Pacific:  Alaska and Japan.  Temperate to tropical waters.  [Northeast Pacific population: IUCN 2010 (Ref. 84930): CR, D.] | 
	
		
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		| Found at depths of 0 to 8000 m (Ref. 356).  Known as 'skimmers,' constantly taking in water as they move and filtering out their food.  Feeds exclusively on plankton (Ref. 122680). | 
	
	
    | Endangered (EN); Date assessed: 19 December 2017 (D) Ref. 123251) | 
  
  
 		
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